Method of and apparatus for forming glassware



March 5, 1935. E. 0. HILLER METHOD OF AND APPARATUS FOR FORMING GLASSWARE 6 Sheet-Sheet Filed Oct. 27, 1932 [120012 tor vaz Wz'in 6'36: Q Ca Attorneys.

March 5, 1935. .E, o. HILLER 1,992,948

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Patented Mar. 5, 1935 UNITED STATES PATENT. OFFICE' METHOD OF AND APPARATUS FOR FORMING GLASSWARE Application October 27,

10 Claims.

This invention relates to the manufacture of glassware, such as containers or other hollow articles, and has particular relation to the manufacture of glassware by the fill and empty" method, as disclosed for example in the Letters Patent of George E. Rowe, No. 1,956,203 and Karl E. Peiler, No. 1,955,765, both granted April 24, 1934.

The fill and empty method comprises charging a mold substantially full with glass and emptying, at least partially, the hot central core of the charge from the mold to form a hollow body in the mold, and severing the emptied glass from the hollow body. The hollow body then is further shaped to form a finished article; if the mold employed in initially forming the charge is a finishing mold, it only is necessary to complete the formation of the bottom of the hollow body; if the mold which is charged in the first instance is a parison mold, the hollow parison may be transferred directly to a finishing mold and blown to final form therein.

This method has numerous advantages, the most important of which is the exceptionally uniform distribution of glass which can be obtained in each article. This insures both good appearance and maximum strength with the minimum consumption of glass, whereas only one or the other of these desirable properties can usually or consistently be obtained to the desired degree in glassware formed by other methods. The good appearance of ware made according to the fill and empty method is due to freedom from waviness, the strength to good general distribution of glass in each article.

The general object of the present invention is to provide a novel and improved fill and empty method and apparatus.

A more specific object of this invention is to provide a novel fill and empty method and novel apparatus for performing the method, of such character as to insure the maximum uniformity of weight of each article, as well as uniformity of distribution of the glass therein and freedom from waviness and other defects.

A further object of the invention is to provide a novel fill and empty method and novel apparatus for performing the same in which the quantity of glass expelled or emptied from the filled mold is predetermined substantially independently of uncontrollable variations in the temperature and viscosity characteristics of the glass composing the charges. This may be accomplished by means of a measuring cup or receptacle of the proper capacity which is held in 1932, Serial No. 639,777

registry with the discharge opening of the mold during the emptying operations to receive the emptied portions of glass and to positively limit the quantity or weight of such portions. Consequently, the weight of the emptied portions and hence of the parisons and finished ware can be maintained constant irrespective of uncontrollable variations in the characteristics of the charges.

Other objects and advantages of the invention will be pointed out in the following detailed description of an embodiment thereof illustrated by way of example in the accompanying drawings, or will become apparent from such description.

In the drawings:

Figures 1 to 7 inclusive depict a series of steps 5 in the novel method;

Fig. 8 is a view in vertical sectional elevation of apparatus adapted to carry out the method illustrated in Figs. 1 to '7;

Fig. 9 is a view in sectional top plan of the apparatus of Fig. 8, parts being broken away for clarity in illustration;

Fig. 10 is a detail view in elevation on reduced scale showing the dip-controlling mechanism for a mold unit;

Fig. 11 is a view in vertical sectional elevation of mechanism for controlling the dip of a mold unit, and for timing the operation of parts of the machine;

Fig. 12 is an enlarged view in vertical sectional elevation of a receptacle for emptied glass, and of mechanism associated with said receptacle;

Fig. 13 is a view in horizontal sectional top plan of the construction shown in Fig. 12, and taken substantially on the line 13-13 of Fig. 8, the mold unit being omitted for a clear view of the receptacle of Fig. 12; and

Fig. 14 is a view in horizontal sectional top plan taken substantially on line 14-44 of Fig. 8, parts being omitted and broken away to show more clearly the glass-severing means.

The method The novel fill and empty method of this invention may be performed either manually or automatically by the use of devices such as are shown in Figs. 1 to '7 inclusive. These include a suction body mold M, a neck mold N associated therewith, a neck plunger P, and primary shears S.

First the molds are charged by suction from the surface of a pool of glass and the tail is severed by the shears S (Fig. 2 It is preferred to sever the glass by means of a pair of shears rather than a single blade, although a single blade may be employed if desired. The severing should be effected by the shears S in a plane slightly spaced from the bottom of the mold M, to avoid smearing.

The plunger P is Withdrawn from the initial cavity it forms after the proper contact period and after the wall of said cavity has reheated and become plastic, the charge is ready for the emptying operation to make it hollow.

By this time a receptacle C is moved into glasstight engagement with the bottom of the mold M and in registry with the mold opening. The receptacle C may be formed in sections and the sections mounted in holders, so that it may be opened and closed. The receptacle constitutes a continuation of the mold cavity closed at its bottom, when in engagement with the mold.

Empty blow air pressure now is introduced into the initial cavity formed in the charge, causing plastic interior glass of the charge to be emptied into the receptacle. The result of this is shown in Fig. 3.

The receptacle positively predetermines the amount or weight of glass expelled from within the charge and from mold' M, the volume of the bubble or cavity remaining in the charge, and the weight of the glass remaining in the mold. The remaining glass is distributed in the mold where desired and in a manner best suited for good distribution in the finished ware.

The capacity of the receptacle C is selected in accordance with the design of the parison mold which, in turn, depends upon the article being made. Said receptacle may be varied in capacity by means of an adjustable bottom, as later explained, although once the capacity suited to the parison mold has been ascertained, no further adjustment is necessary. In making ware of varying sizes and/or weight, receptacles of appropriately different volumes are, or may be, used. Preferably the volume of receptacle C is such that the cavity or bubble terminates above the severing plane. This prevents the incorporation of bubbles or blisters in the emptied portions or slugs so that they may be more readily reheated and conditioned for further gathering operations.

An opening preferably is formed in the bottom of the receptacle C to vent air therefrom when the emptied glass enters said receptacle,'and/or such air also may be allowed to escape through the joint of the receptacle if desired.

It may be desirable to maintain the applica tion of vacuum to the exterior of the charge from the time of gathering until after the empty blow, but this is not essential because the glass is stiffened sufiiciently by the chilling action of the mold to hold it in place and the empty blow also tends to hold the glass in contact with the mold wall.

The slug of glass in the receptacle C now is severed from the hollow body in the mold M. This is accomplished by first effecting relative vertical movement between the mold and receptacle for the purpose of attenuating the connection between the charge and the slug. The connection when sufliciently necked in is severed by secondary shears S (Fig. 4), this completing the formation of a hollow parison of the desired weight. The shears S also preferably are used in lieu of a single blade and sever in a plane spaced slightly from the bottom of the mold M. The receptacle C is opened to discharge the slug therefrom (Fig. 5). It is preferred that the slug be dropped to one side or outside of the gathering zone, as for example, into a separate channel leading back into the tank, or into a cullet chute.

Air is vented from within the hollow body at the proper time to avoid distension of the parison by such air. This venting may taken place prior to the second severing operation or immediately thereafter.

The parison is transferred to a finishing mold F and blown to final form therein in known manner, though preferably the neck ring is removed from the neck of the parison before the finish blowing is effected. A blow head B may be used to supply the finish blowing air (Fig. 6).

Although it is preferred to employ the suction method in initially charging the parison body and neck molds, it will be understood that these molds may be charged by the downward delivery of glass thereto in known manner, as illustrated for example in the patent to George E. Rowe, No.

1,902,140, granted March 21, 1933. Furthermore,

the novel method may be practiced with a single body mold which is charged with molten glass and which gives the article its final shape, instead of using both parison and finishing molds. To this end, a bottom plate may be provided against which the hollow charge may be blown to complete the formation of the bottom of an article. Such a mold and bottom plate therefor are illustrated in the patent to George E. Rowe, No. 1,956,203, granted April 24, 1934, which also illustrates charging such a mold both by the downward delivery method and the suction method.

Other variations may be made in the performance of the novel method and in the character of the devices used in its practice, without departing from the invention.

The apparatus Novel apparatus embodying the invention which may be used for automatically performing the method, may take the form illustrated by way of example in Figs. 8 to 14 inclusive.

Briefly considered, said apparatus may comprise a continuously rotating one-table forming machine embodying the elements of Figs. 1 to 7 inclusive, like parts being designated by the same reference characters. Thus, in Fig. 8 are seen the suction body and neck molds M and N, neck plunger P, primary shears S, and glass receptacle C mounted on the rotary carrier. A number of such mold units and associated parts may be carried by the rotary table or carrier, which also carries a similar number of finishing mold units, one of which is shown at F, Fig. 9. Fig. 14 shows a number of primary shears S, for the parison forming units, and a single pair of secondary shears S adapted to act successively with the said units.

The means for operating the above device automatically, embodied in the apparatus, now are considered.

The molds M and N are of the sectional type, the holders thereof being mounted on a hinge pin 16, Fig. 9, carried by a dipping frame or carriage 17. The carriage 17 comprises a vertical slide 18 in guideway 19 of an approximately radial arm or web 21 suitably secured to the hub or cylinder 22 of the rotary carrier. The carrier is mounted on a hollow column 23, Fig. 8,

and carries a bull-gear 24 engaged by suitable means (not shown) for rotating the carrier preferably continuously.

In order to provide vacuum and air for the parison mold unit, a head H (Fig. 8) is associated therewith. The head has a lug 25 (Fig. 9)

formed thereon by means of which it is clamped in assembled relation with the molds and dipping frame or carriage 1'7.

The parison mold unit is raised and lowered, and the parts thereof, and other parts of the machine, are operated in response to the rotation of the carrier. To this end, a number of cams are provided, as shown in Fig. 8, and especially Fig.

11, which constitutes an upward extension of Fig. 8. These cams include a dip control cam 26 formed on the bottom of a drum 2'7 secured to the top section 28 of the column 23. Fig. 10 shows a development of cam 26 and the cam is described in greater detail hereinafter.

Cam 26 controls the vertical positioning of the parison mold unit through a vertical link 29, Figs. 8 to 11. This link is connected at its upper end to one end of lever 31 carrying roller 32 which constantly engages the cam 26. The bottom end of link 29 is fastened to a strap or bracket 33 on dipping frame 1'7. Lever 31 is pivoted at 34 on the top of dashpot 35 on the rotary carrier, Fig. 10. This dashpot is connected by link 36 to the dipping frame of the next adjacent unit (not shown) to cushion the movements thereof, it being understood that each unit has a dashpot associated therewith.

The lowermost portion 37 of the cam 26 effects the dipping of mold M into 'a pool of molten glass G, contained in a compartment 38 of bay 39 formed on a melting tank (not shown).

Portion 41 of the cam raises the unit sufficiently for the first severing operation by shears S, after which portion 42 becomes effective to move the mold upwardly for engagement with receptacle C. The portion 43 of the cam raises the mold unit from engagement with receptacle C, causing the formation of an attenuated connection which, as shown in Fig. 4, is severed by shears S The portion 44 of the cam finally raises the parison mold unit to its uppermost and normal level of travel and at which the parison may be transferred to the finishing mold. The above enumerated cam portions and the horizontal parts thereof may successively move the mold unit to the vertical positions shown in Figs. 1 to inclusive and hold it in each position for the proper time.

Vacuum is supplied to the head H through a pipe 45, Fig. 8, having telescopic connection with sleeve 46 on the head, leading to the vacuum chamber 4'7. This chamber is placed in communication with the mold unit by the opening of a spring-seated valve 48, the operation of which is controlled by earns 49, Fig. 11, mounted for adjustment on top-section 28 of the table column. These cams are engaged by rollers 51 on the widely spread arms of a bell crank 52. Bell crank 52 is fixed on a sleeve (not shown) rotatable on a vertical rock shaft 54, said sleeve carrying crank 55 on its bottom end, in turn connected to the vertical telescoping rock shaft 56. The smaller member 56a of the rock shaft 56 (Fig. 8) carries a segmental bevel gear 57 in mesh with a similar gear 57a on horizontal rock shaft 58, also carrying crank lever 59. An adjustable tappet 61 on lever 59 serves to operate valve 48. The outer end of lever 59 is connected to a collar 62 on the shaft 63 of plunger P, so that the same mechanism serves to operate the vacuum valve and the plunger. There is a lost motion connection between the collar 62 and plunger shaft 63 permitting the vacuum valve to be closed without necessarily withdrawing the plunger at the same time.

The cams 49 comprise lobes which engage the two rollers 51 respectively, rocking the bell crank and' hence shaft 56 in one direction or the other to lower the plunger P and open vacuum valve 48, or to close the vacuum valve and raise the plunger at the proper time. The timing of these operations may be varied by independent rotary adjustment of the cams. means of a shaft 64 carrying a gear 65 in mesh with an internal gear (not shown) on one of the cams, there being such provision made for each cam and the shaft 64 being operable, if desired, to adjust the cams while the machine is running by suitable means, not shown.

To control the application of empty blowing air to a charge, and to subsequently vent such air from the interior of the charge, suitable valve means is provided in the head H controlling the passage of air into and out of pressure chamber 66 in the head, Fig. 8, through duct 6'7, having branches 68, 68a containing spring-pressed valves, not shown but the stems of which are indicated at 69, 6911, Fig. 9. The mechanism for operating these valves is substantially identical with that provided for actuating the vacuum valve and plunger. It comprises a pair of independently adjustable cams '71, Fig. 11, engaged at times by rollers '72 on the arms of hell crank '73 secured to the upper end of shaft 54. Shaft 54 carries crank '74 on its bottom end, linked to telescoping shaft '75, the lower end of which carries tappets 7511, Fig. 9, arranged to operate valves 69, 69a. The cams 71 may be adjusted independently in the same manner as cams 49.

Any known means suitable for the purpose may be employed for opening and closing the'parison body mold and neck mold. In Fig. 9, an air motor '76 is indicated for operating the body mold, being connected thereto by linkage which need not be described. A similar device, not shown, may be used to actuate the neck mold. The air motors provided for the above and other purposes may be controlled from a valve chest indicated at '77, Fig. 11, the unillustrated valves of which are actuated by means of cams or buttons, not shown, adapted to be held in a slotted drum '78 secured to the column 28 of the machine.

Each of the cams or buttons is engaged by one of the rollers which are arranged in pairs on bell cranks respectively, individual to the valve means and the devices controlled thereby. Thus rollers '79 on bell crank 80 alternately engage cams to open or close valves (not shown) which in turn operate air motor '76 to open or close the blank mold, and rollers 81 on bell crank 81a in the same way may operate an air motor (not shown) to open and close the neck ring. These features are not shown and described in greater detail because readily supplied from the prior art or replaceable by equivalent means found therein.

Considering now the construction and operation of shears S, and referring particularly to Figs. 8 and 14, it will be seen that each pair of shears comprises blade-carrying levers 82, pivoted at 83 to a support 84, slidably mounted at 85 on the hub portion 86 of the rotary carrier. The shears are adjusted vertically by means of non-rising screw 8'7 to adapt them to molds of different lengths ant. to position them to sever glass in the proper plane without smearing. Screw 8'7 is held against vertical movement in the table portion 22a of the rotary carrier.

The shears are-closed and opened by means of an oscillatory cam 88 which is turned on the column by which it is carried, by a cam shown This may be effected by Ill) partially at 89, mounted on a vertical shaft 91. Motion is transmitted from rotary cam 89 to bell crank 92 connected by link 93 to the cam 88. The revolution of the shears about the axis of the carrier also is utilized to operate them through the medium of bell crank 94, one end of which carries roller 95 which rides on cam 88, and the other end of which is linked to the members or levers 82 of the shears themselves. 1

Roller 95 is yieldingly held in engagement with the cam by the spring 96 and when roller 95 is about to enter a recess 88a of the cam, the cam is turned in a direction opposite to the direction in which the shears are traveling, thus by the joint and opposite travel of shears and cam, effecting an exceptionally rapid closing movement of the shears. The shears are then opened by roller 95 leaving cam recess 88a, and the movement of cam 88 is reversed in preparation for the closing of the succeeding pair of shears.

Cam shaft 91 may be driven by a train of gears including gear 24 on the carrier, spur gears 97 and 98, and pinion 99 on cam shaft 91, in order to time the operation of the shears with the rotation of the carrier.

The receptacle C, which receives the emptied portions of glass from the mold with which it is associated, preferably is formed in sections 101, Figs. 12 and 13, in holders 102. The said sections also preferably have inwardly extending flanges 103 which restrict the top opening of the container at least to the size of the opening in thebottom of the parison mold engaged thereby to properly neck in the glass prior to severing and to avoid smearing. These flanges, which form a continuous or annular flange when the receptacle is closed, also preferably are tapered as shown to facilitate the passage of glass from the mold into the receptacle or cup, and the subsequent discharge of glass from the cup. The tapered bottom of the receptacle also facilitates the discharge of glass by eliminating a sharp corner.

In order to vary the capacity of the cup or receptacle C, it may be formed with an opening 104 adapted to receive an adjustable plug or closure 105 screw-threaded in a clamp 106 formed on one of the cup sections 101. Plug 105 sufficiently clears opening 104 to permit the escape' of air from the cup as it receives an emptied portion of glass. Such venting may take place partially or entirely through the joint of the receptacle which is, or may be, Wide enough for this purpose.

It will be understood that the holders 102 are adapted to receive the seetions of cups of different capacity and/or design, the cups being appropriately changed when the parison body mold is changed. Preferably there is provided one cup or receptacle for each mold.

The horizontal portions 102a of the holders 102 are oifset downwardly of, and are closer together than, their hubs 102b, on the spaced rock shafts 107, horizontally journaled in the table portion 22a of the rotary carrier, Figs. 8 and 12. Consequently, the joint oscillation of the rock shafts swings the cup sections through relatively long arcs from the full line, closed positions of Fig. 12, to the broken line, opened positions of the same figure. This is desirable for placing the sections so as to avoid obstruction to the clipping operations of the parison mold unit, it being understood that the receptacle does not, or at least need not, partake of such movements.

The opening and closing of the cup or receptacle C likewise is under the control of camoperated mechanism. This includes a cam 108, Figs. 8 and 9, directly keyed to top section 28 of the column, and engaged by a roller 109 on a lever 110. The lever 110, pivoted at 111, reciprocates a vertical push rod 112 which is constantly forced upwardly by compression spring 113.

The connections between the push-rod 112 and rock shafts 107 are best seen in Figs. 8 and 12. The bottom end of rod 112 carries crosshead 114 connected by links 115 to crank arms 116 on the inner ends of the rock shafts. The crosshead and links are shown in dotted lines, Fig. 12, in the positions they occupy when the receptacle is closed, and in dot-and-dash lines in the positions they assume when the receptacle is completely open.

As already explained, auxiliary or supplemental shears S are provided to sever the emptied portion or slug of glass from the glass in the mold. These shears may be of known type, but preferably are mounted so as to travel with successive mold units. As shown in Fig. 14, the shear blades 118 and the air-operated actuating means, generally indicated at 119, and of known construction per se, are mounted on a slide 120 in a guideway 121, mounted for angular adjustment on a support 122, located on the far side of compartment E of the tank bay or extension 39. This arrangement is such that when the shears are projected into dotted line position into a position to close beneath a mold, and the slide is reciprocated, the shear blades will travel substantially in the path of the axial center line of the parison mold cavity and beneath the mold, during the severing operation. If desired, guideway 121 may be curved and concentric to the axis of the mold table.

A valve indicated at 123, of known construction and suitably timed, may control the opening and closing of the shears S and the reciprocation thereof may be effected by means of a cam 124 on shaft 91, which rocks a lever 125 connected to one end of the slide 120 by a cord 126. A counter-weight (not shown) is connected to the other end of the slide by a cord 127.

As will be obvious from Fig. 14, the parison molds pass over compartment E of the tank bay. It is preferred that this compartment be separate from compartment 38 containing gathering pool G and that it be so arranged and the second severing operation and the opening of receptacle C so timed, that the empty glass will be dropped into compartment E. The glass so discharged may then be returned either to the refining or melting end of the tank for reheating, without necessarily mixing with and possibly contaminating the glass to be gathered in compartment G.

However, the emptied glass portions or slugs preferably are formed and discharged from the cups in the minimum time so that they will not be so chilled as to require an excessive amount of reheating and reconditioning for further gathering operations.

The finishing mold F may be of any known construction and the hollow parisons transferred thereto in appropriate manner. In the illustrated embodiment of the invention, the finishing mold is opened and closed by an air-motor indicated at 130, Fig. 9, the operation of which is controlled by valve means (not' shown) in chest 77, actuated by a bell crank 131, rollers 132 of which engage cams or buttons (not shown) held in drum '78.

In order to effect the transfer of a parison to the finishing mold, the finishing mold or mold unit may be mounted on an oscillatory stage or carrier 133, Figs. 8 and 9, which is fast on rock shaft 134, suitably journaled in the rotary carrier. Shaft 134 carries bell crank 135, a roller 136 on which contacts with a cam 137 which controls the swinging movements of the finishing mold. By these means, the blow mold is swung into alignment with the adjacent neck mold after the parison body mold has opened, closed about the parison, and then swung back to the position shown in Fig. 9, where the blowing of the parison is efiected.

In this position, a blow head (not shown) but operated by an air motor, indicated at 138, engages the finishing mold and supplies the finish blow air. A bell crank 139, Fig. 11, may control this operation and the subsequent removal of the blow head in a manner which will be obvious from the preceding description of the similar bell cranks 131, 81a, etc.

The manner in which apparatus embodying the invention may be constructed and operated for the practice of the novel method now will be apparent to those skilled in the art. It is to be understood that the invention is not limited to the specific embodiment of apparatus described herein and illustrated in the drawings, such embodiment being merely one example of any number of forms which the invention may take. For example, any other type of machine may be employed, such as the stationary, intermittent, one or two-table, or continuous twotable types of machines, as well as the reciprocating parison mold carriage type of machine, provided, of course, that provisions are made according to the invention for effecting the empty blow, for receiving and limiting the quantity of empty glass, and for efiecting a second severing operation, as explained above.

Having thus described my invention, what I claim is:

1. The method of forming hollow glassware which comprises, filling a mold with molten glass, holding a measuring receptacle of selected capacity in position to receive glass from the mold, emptying glass from the mold into the receptacle in an amount predetermined by the capacity of the receptacle and severing the emptied glass from that in the mold.

2. The method of forming hollow glassware which comprises, filling a nold with molten glass, holding a measuring receptacle of selected capacity in glass-tight engagement with the bottom of the mold, emptying a predetermined amount of glass from the mold by applying air to the charge to force from the mold enough of the central core of the charge to fill the receptacle and severing the glass in the receptacle from the glass in the mold.

3. The method of forming hollow glass parisons to be blown to final form in a finishing mold which comprises, filling a parison mold and an associated neck mold with glass, holding a measuring receptacle of selected capacity in position to receive glass from the parison mold, emptying a predetermined amount of glass from the parison mold by applying a force centrally of the charge to empty from the mold enough of the central core of the charge to fill the receptacle, and severing the emptied glass from the hollow body remaining in the mold.

4. The method of forming hollow glassware which comprises, filling a mold with molten glass, holding a measuring receptacle of selected capacity in position to receive glass from the mold, emptying a predetermined amount of glass from the mold by a force applied centrally of the charge whichexpels from the mold enough of the central core of charge to fill the receptacle, effecting relative axial movement between the mold and receptacle toform an attenuated connection between the charge and the emptied glass, and severing said connection.

5. The method of forming hollow glassware which comprises filling a parison mold from the surface of a gathering pool by suction, severing the connection between the charge and the pool, emptying a predetermined amount of glass from the mold by holding a receptacle of selected capacity in glass-tight engagement with the bottom of said mold and in registry with the bottom opening of the mold, applying a force centrally of the charge to expel from the mold enough of the central core of the charge to fill the receptacle, separating the mold and receptacle so as to forman attenuated connection between the charge and the emptied glass, and severing saidattenuated connection.

6. In apparatus for making hollow glassware, the combination of a mold, means for filling said mold with molten glass, and means for emptying a predetermined amount of glass from the mold comprising a measuring receptacle of selected capacity, means for holding the mold and receptacle in such relation that the receptacle can receive glass from the mold, means for applying a force centrally of the charge in the mold, to force enough of the central core of the charge into the receptacle to fill said receptacle and means for severing the glass in the receptacle from the glass remaining in the mold.

7. In apparatus for making glassware, the combination of a mold, means for filling said mold with molten glass, means for emptying a predetermined amount of glass from said mold including, a receptacle of selected capacity, means for holding the mold and receptacle in positions for the receptacle to receive glass from the mold, means for forcing enough of the central core of the charge from the mold to fill said receptacle, and means for severing the emptied glass from the glass remaining in the mold.

8. In apparatus for making glassware, the combination of a mold, means for filling said mold with molten glass, means for emptying a predetermined amount of glass from said mold comprising a receptacle of selected capacity, means for holding the mold and receptacle-in positions for the receptacle to receive glass from the mold, means for applying air to the charge to force enough of the central core of the charge to fill the receptacle, means for effecting relative movement between the mold and receptacle to form an attenuated connection between the emptied glass and the glass in the mold, and means for severing said attenuated connection.

9. In a glassware forming machine, a parison mold, means for filling said mold from the surface of a pool of glass by suction, means for severing the connection between the pool and the charge, a receptacle adapted to receive glass from the mold, means for holding the mold and receptacle in engagement, means for effecting the emptying of enough glass from the mold into the receptacle to fill the latter, means for separating the mold and receptacle to form an attenuated connection between the emptied glass and that in the mold, and means for severing said connection.

10. In glassware forming apparatus, the com- 5 bination of a mold, means for filling said mold with glass, a sectional measuring receptacle for receiving glass emptied from said mold, means for engaging and separating said sections to open and close the receptacle ,and for engaging and disengaging the mold and receptacle and means for severing the glass received in the receptacle from that remaining in the mold.

EVERETT O. HILLER. 

